package com.company.day11;

import java.util.ArrayList;

/**
 * @description:
 * @author: Code-zyc
 * @date: Created in 2021/11/2 10:18
 * @version:
 * @modified By:
 */
public class day11Test {
    public static void main(String[] args) {
        String s="abc";
        s=s+"d";
        System.out.println(s);
        ArrayList list =new ArrayList();
        list.add(1);
    }



}
